| Argentiferous | Rock or ore bearing silver. |
| Assay | To find the percentage of a given metal in ore or bullion |
| Assessment | Amount of work required by teh mining laws to be done on a mine annually to perfecet and hold title |
| Auriferous | Rock or ore that bears gold |
| Bonanza | A Spanish term, signifying good luck and prosperity; a large and rich ore body |
| Cribbing | A timber or plank lining for a shaft |
| Cross Cut | A level driven at right angles to the direction of the lode |
| Deposit | A body of ore distinct from a ledge; a pocket of gravel or pay dirt |
| Diggings | Name applied to placers being worked |
| Drifts | Tunnels leading off from the main shaft |
| Dump | The pile of ore or debris taken from mines, or tailings from sluicings |
| Flume | A box or pipe for conveying water |
| Fissure Vein | A fissure or crack in the earth's crust filled with mineral matter |
| Free Gold | Gold easily separated from the quartz or dirt |
| Headings | In placer mining, the mass of gravel above the head of sluicing |
| Hydraulic Mining | Separating gold from gravel or sand through use of moving water and gravity |
| Incline | A slanting shaft |
| Inch of Water | A miner's inch of water equals a discharge fo 712.5 gallons per hour, about 2.5 cubic feet per minute |
| Lode | A
longitudinal fissure or chasm filled with ore-bearing matter and having
well-defined side walls. Lode, lead, vein and ledge are synonymous |
| Mine | A
mine compromises a certain amount of territory on a lode or vein,
together with the developments which generally consist of shafts,
levels, tunnels, or adits, winzes and stopes; they may be connected
with this machinery on the surface for hoist-ing the ore and water.
There may be several mines on one lode. |
| Patch | A small placer claim |
| Placer | Alluvial deposits; earth containing gold dust |
| Pocket | A particularly rich spot in a vein or deposit |
| Reducing | Separating the metal from the ore |
| Salting A Mine | The act of introducing rich ores into a mine or gold dust into a claim, for purposes of deception |
| Sluices | Boxes or troughs through which gold-bearing gravel is washed |
| Smelting | Reducing the ore in furnaces to metals |
| Stamp Mill | Usually water powered, contained machines to crush the ore and separate various minerals by chemical and mechan-ical means |
| Stoping | Removing ore either overhead or underfoot; excavating a hori-zontal level |
| Strike | A find; a valuable mineral development made in a sudden or unexpected manner |
| Tailings | The material left after minerals have been crushed or washed out |
| Tunnel | A level drive at right angles to the vein, in order to reach it |
| "Adapted from Crofutt's Grip-Sack Guide, k885, pp. 169-174 and Fossett's Colorado, 1879, pp. 208-214. |
